What color___Mrs.Green's pants?这是一道填空题呢请说出为什么

What color___Mrs.Green's pants?这是一道填空题呢请说出为什么 GRE AT WALL?what's the meaning? gre考到几点 GRE难考吗 GRE/GMAT gre是什么意思 GRE 是什么 GRE有效期? GRE机经谁有? Gre数学. gre 数学题The adveritised rate for romaing charges is 0.002 cents per second. what is that in dollars per hour? GRE：GRE有听力吗? Juxtaposing statements of what is not the case and statements of what is the 这是GRE选项中的一句话~不是很能理解其含义~ 现在报名gre,是算老的gre还是新的gre? GRE SECTION 47 7IF a and b are positive and 7a-5=2.what is the greatest possible of ab?10 为什么? 有一道GRE的数学题求详细讲解：RTThe advertisd rate for roaming harges is 0.002 cents pe second.What is that in dollars per hour?0.072 GMAT 老GRE 新GRE 哪个难? GMAT 老GRE 新GRE 哪个难?